The Efficacy and Safety of Treatment with Telitacicept in Antineutrophil Cytoplasmic Antibody-associated Nephritis (AAGN)

Telitacicept for Injection combined with standard therapy (Prednisone and Cyclophosphamide) for the treatment of ANCA-associated nephritis (AAGN).

Methylprednisone shock therapy (500mg, 3 times), followed by Prednisone (1 mg·kg·d and a pre-determined tapering guideline \[PEXIVAS regimen\]).

Cyclophosphamide, intravenous injection, once every 2 to 3 weeks, 0.75 g/m² each time, the maximum cumulative dose of 8g